Plane



J. M. ZDEB PLANE Aug 3, 1932.

Filed Sepj.. 14, 1929 NVENTOR. le/(M Zd.

ATTORNEY.

Patented Aug. 30, 1932 JOHNV M. Yznnrs, or Dnaiaorr.' MrcnfIGAN rLANn 3 Application filed september 14,` 1929; serial No. 392,709.

My invention relates to a new and useful improvement in a plane and has forv its object the provision of a plane which may be easily and quickly adj usted to various lengths so that the artisan using a plane may in one tool have a plane adapted for various kinds of work thus eliminating the-necessity` of being provided with a plurality of planes of various lengths. Another object of the invention is the provision Vof means for securing extensions on a plane and retaining the same in proper alignment.

Another object of the invention is the provision of means for mounting a plane blade into position so that it may be easily Vand quickly adjusted for the various kinds of work.

Another object of the invention is the pro- 2o vision of a plane of this class which will be simple in structure, economical of manufacture, and highly efficient in use.

Other objects will appear hereinafter. The invention consists in the combination Vand arrangement of parts hereinafter described and claimed.

The invention will be best understood by a reference to the accompanying drawing which forms a part of this specification and in which,

Fig. 1 is a longitudinal vertical sectional view of the invention with parts shown in side elevation. Y

Fig. 2 is a top plan view of the invention.

Fig. 3 is a sectional view taken on line 3-3 of Fig. 1.

Fig. 4 is a sectional view taken on line 4-4 of Fig. 1.

Fig. 5 is a fragmentary sectional view taken on line 5--5 of Fig. 2. l

Fig. 6 is a fragmentary top planview of a modiiied form of the invention.

Fig. 7 is a sectional view'taken on line 7 -7 of Fig. 6.

Fig. Sis a sectional view taken on line 8 8. of'Fig'. 6." e. Y

The invention comprises a plane base-11 having. a handle 12 and side walls 13 and 14 projecting upwardly therefrom. Formed in the base 11 is the opening through which the vsharpened end-of the blade l16 v,may project. Positioned upon, and engaging the Y upper surface of, the blade .16 is a. plate 17 lhaving transversely extending grooves 18in which: engages the bolt 19 projected lthrough the side walls 13 and 14.

Secured betweenfthe side. walls 13 and 14 is a supporting plate 2OV having atopposite sides the flanges 21 and 22 to provide a U shaped. structure. Acentral rib 23 projects.V outwardly from the plate 2O between the ilanges 214 and22. End flanges 24 and 25 project downwardly from the plate 20. .Ro-- tatably mounted in these flanges 24 and 25 are vscrews 26 and 27 which project lthrough l nuts 28 and 29, projecting upwardly from which are trunnions 30 and 31 which project through slots 32 formed in the plate 20 andl extend into the openings formed in the blade 16., By rotating the screws 26 and 27 the blade may be moved upwardly or downward- Y. ly, depending upon the direction of rotation, so that the blade may be adjusted to the various positions required for the dierent kinds of work. 4Threaded through the .plate17 is aset screw 32 which will serve4 to Vlock the plate in its various positions. For work'requiring` a short plane the base 11 is sufficient. For work requiring a longer plane I have provided extensions which may bernounted on the base 11. ,The forward extension 33 is provided `with a pair of upwardly oifset tongues 34 and 35 which are spaced apart and adapted to embrace a central tongue 36 on the base 11, aportion 37 of .this central'v tongue overlapping the edgev of the base of the extension 33.( A cross-bar 38 is secured by a screw 39 on the base 11 and may be tightened inl position so as to lock the tongues 34 Fics and inembracing relation on the tongue 36. `Each of the tongues 34 and 35 is provided with an arcuate recess 39 in which engages the circular boss 40 formed on the tongue 36. yIhe engagement of the boss 40 in the recess 39 will prevent relative longitudinal movement of the extension 33 and the base l1, and the cross-bar 38 will prevent movement of the extension 33 vertically relatively to the base l1.

The rearward extension 4l is provided with a pair of tongues` 42 and 43 which embrace, the central tongue 44 on the base l1, this Vtongue having a portion 45 overlapping the edge of the extension 4l and engaging in the ing in said recesses and resisting relative longitudinal movement of said engaging base and said extension; and movable means carried by said centrally positioned tongue engageable with the upper faces of said spaced tongues for resisting movement of said tongues relatively to said engaging base.

In testimony whereof foregoing-specification.. Y

' JOHN. M..ZDEB.

. recess 46 is the circular boss 471 carried by the* tongue 44. A cross-bar 48 is secured by a. y screw to the tongue 44 and may be positioned to engage the tongues 42 and 43 to. cooperate l with the boss47 for locking the rearward eX- tension 4l inrelation tothe basell. i A hand y hold 49 is mounted on the forward end of! the base l1. Y

With a plane constructed in this manner the extension may be Very easily and quiclnl ly attached in position and held in alignv ment with the base ll so that as eiicient work titi` is accomplished With a plane of this kind as is performedwitli a one piece plan-e. n

Inl the'modified form shown, in Fig. 6 the extension 33 is provided with the tongues- '50* and 5l which embrace the central tongue 52.` Formed in the tongues 50 and 5l are recesses 53 andV 54. v Carried by the tongue 52 are pivotally mounted dogs 55 and 564 which, whenvthe extension is moved into position,v

may be swung on their pivots to 'engage-and:

lie inthe recesses 53 and 54:, thus. locking the parts againstA longitudinal'relative'niovement.

sshown'in Fig 8 the edges of the tongue 52 arebeveled and the edges 57 and58 of the tonguesl 50 and 5l are also inclined to` provideja dove-tail connectiomthe outer edges of the tongues 50 and 51 engaging in the channels 59 so lthat when thetongues are moved into operative positionv the securely held inl fixed relation'.

While I have illustrated and described the preferred form of my invention, I do not wishl to limit myself to the precisedetailsof structure shown but desire to avail' myself offsuchi variations and modifications as. come within the scope ofthe appended claim.V

Having thus described' my inventiomwhat parts are4 1 I claim as new andl desire to secure by Letters Patent is: Y

A plane of the class'described7 comprising: an engagingbase; a raised tongue extending longitudinally of said base centrally thereof at one end; an extension for Vsaid-base; a pair of tongues projecting in.` spaced relation outwardly from opposite sides of one endiof'saidt extension and upwardly offset from the base thereof for overlying 'said engaging base and` 651' embracing said tongue on; said base, saidf 

